
Real job — pulled straight from Ericsson’s careers page · Verified July 25, 2026 · No reposts.
Job description
Ericsson is hiring a Senior C Developer — a full-time, based in Łódź, Poland role. Apply directly on Ericsson's careers page below.
Senior C Engineer for 6G Simulator
Location: Łódź,Łódź,Poland
Department: 76 Product Development
Work Location: onsite
Join our Team
About this opportunity
We are now looking for engaged Layer 1 Senior Developer to join our team based in Poland! The team will work on how to prepare for development of a powerful UE Simulator meeting the needs of 6G. The team will later be the core team for actual development of the 6G UE simulator.
The Simulation Services (SIMS) unit is responsible for providing Simulators to product development within Business Area Networks. These Simulators are used in product verification instead of real mobile phones and real core networks. The SIMS responsibility includes development of internal solutions for Simulators, including our main simulator CSIM FsUE NR and sourcing of Simulators from external vendors.
What you will do
• Be part of an agile team that contributes to Layer 1 development of a UE Simulator
• Work in an exciting technical area, supporting Ericsson internal users with an important product for 6G
• Have the possibility to drive innovation and make new insights reality
• Get the opportunity to work with everything needed in a team: analysis, system design, pre-development and implementation in small increments and ensuring short feedback loops
You will bring
- Strong software engineering skills with ability to write qualitative code (must have: C or Golang, nice to have: Python and Java).
- Familiarity with the standards and protocols used in LTE or 5G networks, including the physical layer (Layer 1)specifications.
- Knowledge of RF propagation, modulation schemes and signal processing.
- Knowledge of embedded systems and how software interacts with hardware components.
- Skills in developing test cases to validate the simulator’s accuracy and reliability.
- Knowledge of Multi-core/multithreading processor programming and parallel processing to simulate multiple data link connections efficiently.
- A spirit of positiveness and creativeness with a can-do-attitude.
- The skills to be ready to explore new opportunities as well as continuously learn and improve together with the team and really enjoy coding.
- Teamworking with ability to work closely in a diverse team of colleagues.
- MSc or BSc level in Telecommunications, Electronics or Computer Science
- Excellent speaking and writing skills in English
We work in hybrid model, min. 3 days from office
What do we offer:
- Annual bonus depending on the achievement of the company's goals and results
- Possibility to take advantage of the reduction of tax-deductible costs for creative work
- Financial awards and distinctions
- Private medical care for employee and their family (Medicover)
- Life insurance
- Mental Help Line
- Cafeteria system Pluxee platform: co-financing MultiSport or OK System card, lunch cards, and others
- Sports and integration activities (e.g. Football, Joga, raising team, climbing club)
- Company support (loans and grants)
- Possibility to participate in 3G / 4G / 5G... 6G technology projects
- Opportunity to participate in technical and interpersonal training conducted by international trainers
- Access to recognized learning platforms (Pluralsight, Skillsoft, Coursera)
- Opportunity to work in an international environment, also outside Poland
Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: Poland (PL) || Lodz
Req ID: 787578
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Frequently asked questions
What skills are required for Senior C Developer at Ericsson?
The required skills for Senior C Developer at Ericsson include: C, Go, Python, Java, Embedded Systems, Agile.
What is the seniority level for Senior C Developer at Ericsson?
Senior C Developer at Ericsson is a Senior level position.
How do I apply for Senior C Developer at Ericsson?
You can view the full description and apply for Senior C Developer at Ericsson on EchoJobs: https://echojobs.io/job/ericsson-senior-c-developer-for-6gsim-simulator-dyqps.